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Finding the Fourth Proportional to 16,375.68, 24,568.38 and 7,615.80

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Solution

The fourth proportional to 16,375.68, 24,568.38 and 7,615.80 is: 11,425.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,375.68 : 24,568.38 = 7,615.80 : x
  2. Step 2: Convert to fraction form
    16,375.68/24,568.38 = 7,615.80/x
  3. Step 3: Cross multiply
    16,375.68x = 24,568.38 × 7,615.80
  4. Step 4: Simplify right side
    16,375.68x = 187,107,868.40
  5. Step 5: Solve for x
    x = 187,107,868.40/16,375.68
  6. Step 6: Final answer
    x = 11,425.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.